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SashulF [63]
2 years ago
13

PLZZZZZZ HEEEEEEEEELLLLLPPPPP (will mark brainliest for correct answers)

Mathematics
1 answer:
alexdok [17]2 years ago
6 0

Answer:

y=4

Step-by-step explanation:

3(9) +4y= 43

27+4y=43

4y=16

y=4

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Timothy is re-arranging his marble collection.he has five identical blue marbles,five identical green marbles and three identica
romanna [79]
Based on the scenario, the case must be filled like this :

blue/green/black  x   blue/ green/black    x blue/green/black   x  random   x random

Different ways he can arrange it : 

3 x 5!/(2!x2!)       +            3x    <span>5!/3!
</span>
90           +        60

= 150 ways

hope this helps







7 0
3 years ago
Read 2 more answers
you can spend at most $20 on tomatoes and red peppers for a soup. tomatoes cost $2.50 per pound and red peppers cost $4 per poun
Ber [7]

<u>Answer-</u>

\boxed{\boxed{2.50x+4y\leq 20}}

<u>Solution-</u>

The total money that you have or maximum amount that you can spend = $20

Let's assume,

x = Number of tomatoes bought

y = Number of red peppers bought

Price of tomatoes per pound = $2.50

Price of red peppers per pound = $4

Hence,

Total cost of tomatoes = $2.5x

Total cost of red peppers = $4y

As you can spend at most (any amount less than or equal to) $20, so

2.5x+4y\leq 20  

Taking a point as origin (0, 0) and then putting it in the equation,

\Rightarrow 2.5(0)+4(0)\leq 20\\\\\Rightarrow 0\leq 20

As this satisfies, so the shaded region will be towards that point i.e origin

From the graph, the two solutions that are on the boundary line are (8, 0), (5, 0)

6 0
3 years ago
Four brothers each bought two hotdogs and a bag of chips at the concession stand.if the bag of chips was $1.25,and the total was
ahrayia [7]

Answer:

  $1.65

Step-by-step explanation:

The total purchase can be described by ...

  4(2h +1.25) = 18.20 . . . . where h is the price of a hot dog

  8h = 13.20 . . . . . . . . . . . subtract 5.00

  h = 1.65 . . . . . divide by 8

The price of a hot dog was $1.65.

5 0
3 years ago
Where is the horizontal center of mass of the entire upper extremity?
mixas84 [53]

Answer:

can you tell me please

Step-by-step explanation:

nicest

7 0
2 years ago
A pack of 9 toilet rolls costs £4.23
OleMash [197]
 a)  9 toilet rolls cost $ 4.23
       1 toilet roll costs  $ x

          9x = 4.23 * 1
           x= 4.23 / 9
            x = 0.47
So in first case one toilet roll costs $ 0.47.

b) 4 toilet rolls cost $1.96
    1 toilet roll costs  $ x
     
    4x = 1.96 * 1
     x = 1.96 / 4
     x = 0.49
So in second case one toilet roll costs $ 0.49.

0.47 < 0.49
The toilet roll in first case is cheaper than the toilet roll in second case.

Hope this heps!


8 0
3 years ago
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